WASHINGTON — Members of the state’s congressional delegation plan to gather at Legal Sea Foods in Washington on Wednesday evening to raise money for Boston Marathon bombing victims.

The One Fund event invitation lists suggested donations starting at $1,000 for “friends,” progressing to $10,000 for “host committee.” Roger Berkowitz, owner of Legal Sea Foods, is listed as honorary chair, along with the delegation, Mayor Thomas M. Menino of Boston, and Governor Deval Patrick. Menino’s office said the mayor, who has been struggling with health problems, will not be able to travel. Patrick is scheduled to be in Ireland, on an official visit.